Calculator - Version 1.0 -Simple calculator.-Easy to use.-Higher flixibility with command promot.-Designed to be used by chemists graduate and undergraduate students.-Contain most functions used by chemists.-Contains most physical constants in use.-Allow to be used with only keyboard to increase flixibility, because flixibility and speed is very important, also can be used with mouse only.-All you need to do is to remember some commands and the calculator will be very easy to use with time.-You don't know how much it flixible.-In the first use you will use mouse keyboard much but with time you will remember some commands and you will only use command promot